$root = \OC\Files\Filesystem::getPath($linkItem['file_source']) . '/';
$images = array_map(function ($image) use($root) {
return $root . $image;
}, $images);
} else {
$root = '';
OCP\JSON::checkLoggedIn();
$user = OCP\User::getUser();
}
session_write_close();
$eventSource = new OC_EventSource();
foreach ($images as $image) {
$height = 200 * $scale;
if ($square) {
$width = 200 * $scale;
} else {
$width = 400 * $scale;
}
$userView = new \OC\Files\View('/' . $user);
$preview = new \OC\Preview($user, 'files', '/' . $image, $width, $height);
$preview->setKeepAspect(!$square);
$fileInfo = $userView->getFileInfo('/files/' . $image);
// if the thumbnails is already cached, get it directly from the filesystem to avoid decoding and re-encoding the image
$imageName = substr($image, strlen($root));
if ($path = $preview->isCached($fileInfo->getId())) {
$eventSource->send('preview', array('image' => $imageName, 'preview' => base64_encode($userView->file_get_contents('/' . $path))));
} else {
$eventSource->send('preview', array('image' => $imageName, 'preview' => (string) $preview->getPreview()));
}
}
$eventSource->close();
public function testCreationFromCached()
{
$sampleFile = '/' . $this->user . '/files/test.txt';
$this->rootView->file_put_contents($sampleFile, 'dummy file data');
// create base preview
$x = 150;
$y = 150;
$preview = new \OC\Preview($this->user, 'files/', 'test.txt', $x, $y);
$preview->getPreview();
$fileInfo = $this->rootView->getFileInfo($sampleFile);
$fileId = $fileInfo['fileid'];
$thumbCacheFile = '/' . $this->user . '/' . \OC\Preview::THUMBNAILS_FOLDER . '/' . $fileId . '/' . $x . '-' . $y . '.png';
$this->assertEquals($this->rootView->file_exists($thumbCacheFile), true);
// create smaller previews
$preview = new \OC\Preview($this->user, 'files/', 'test.txt', 50, 50);
$isCached = $preview->isCached($fileId);
$this->assertEquals($this->user . '/' . \OC\Preview::THUMBNAILS_FOLDER . '/' . $fileId . '/150-150.png', $isCached);
}
public function testIsCached()
{
$sourceFile = __DIR__ . '/../data/testimage.png';
$userId = $this->getUniqueID();
$this->createUser($userId, 'pass');
$storage = new Temporary();
$storage->mkdir('files');
$this->registerMount($userId, $storage, '/' . $userId);
\OC_Util::tearDownFS();
\OC_Util::setupFS($userId);
$preview = new \OC\Preview($userId, 'files');
$view = new View('/' . $userId . '/files');
$view->file_put_contents('test.png', file_get_contents($sourceFile));
$info = $view->getFileInfo('test.png');
$preview->setFile('test.png', $info);
$preview->setMaxX(64);
$preview->setMaxY(64);
$this->assertFalse($preview->isCached($info->getId()));
$preview->getPreview();
$this->assertEquals('thumbnails/' . $info->getId() . '/64-64.png', $preview->isCached($info->getId()));
}
